Performance of Flammability and NOx Emission in Premixed Oil Burner Using Ultrasonic Atomization.

2003 ◽  
Vol 36 (7) ◽  
pp. 852-859 ◽  
Author(s):  
Takuya Fuse ◽  
Noriyuki Kobayashi ◽  
Masanobu Hasatani
Keyword(s):  
Nox Emission ◽  
Ultrasonic Atomization

ON THE NOx EMISSION LEVELS OF AN ASYMMETRIC VORTEX FLAME COMBUSTOR

2013 ◽  
Vol 12 (12) ◽  
pp. 2473-2478 ◽  
Author(s):  
Khalid M. Saqr ◽  
Mazlan Abdul Wahid
Keyword(s):  
Nox Emission ◽  
Asymmetric Vortex

Effects of Over Fire Air on the Combustion and NOx Emission Characteristics of a 600 MW Opposed Swirling Fired Boiler

2012 ◽  
Vol 512-515 ◽  
pp. 2135-2142 ◽  
Author(s):  
Yu Peng Wu ◽  
Zhi Yong Wen ◽  
Yue Liang Shen ◽  
Qing Yan Fang ◽  
Cheng Zhang ◽  
...  
Keyword(s):  
Fluid Dynamics ◽  
Experimental Data ◽  
Empirical Method ◽  
Nox Emission ◽  
Emission Characteristics ◽  
Cfd Model ◽  
Nitrogen Release ◽  
Computational Fluid Dynamics Cfd ◽  
Low Nox Emission

A computational fluid dynamics (CFD) model of a 600 MW opposed swirling coal-fired utility boiler has been established. The chemical percolation devolatilization (CPD) model, instead of an empirical method, has been adapted to predict the nitrogen release during the devolatilization. The current CFD model has been validated by comparing the simulated results with the experimental data obtained from the boiler for case study. The validated CFD model is then applied to study the effects of ratio of over fire air (OFA) on the combustion and nitrogen oxides (NOx) emission characteristics. It is found that, with increasing the ratio of OFA, the carbon content in fly ash increases linearly, and the NOx emission reduces largely. The OFA ratio of 30% is optimal for both high burnout of pulverized coal and low NOx emission. The present study provides helpful information for understanding and optimizing the combustion of the studied boiler

Characteristics of NOx Emission of Light-duty Diesel Vehicle with LNT and SCR system by Season and RDE Phase

2021 ◽  
pp. 146750
Author(s):  
Yongjoo Lee ◽  
Seungil Lee ◽  
Seunghyun Lee ◽  
Hoimyung Choi ◽  
Kyoungdoug Min
Keyword(s):  
Nox Emission ◽  
Light Duty ◽  
Scr System ◽  
Diesel Vehicle
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